Linux 32b nupic.core build ends with "recipe for target 'helloregion' failed"

[pettitda]

While building nupic.core for 32bit Ubuntu 16.04LTS running on VirtualBox VM:

/tmp/cc71DuTF.ltrans0.ltrans.o: In function `nupic::ArrayRef::~ArrayRef()':
<artificial>:(.text+0x41e): undefined reference to `nupic::ArrayBase::~ArrayBase()'
/tmp/cc71DuTF.ltrans0.ltrans.o: In function `nupic::ArrayRef::~ArrayRef()':
<artificial>:(.text+0x44d): undefined reference to `nupic::ArrayBase::~ArrayBase()'
/tmp/cc71DuTF.ltrans0.ltrans.o: In function `main':
<artificial>:(.text.startup+0x70): undefined reference to `nupic::Network::Network()'
<artificial>:(.text.startup+0xc7): undefined reference to `nupic::Network::addRegion(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
<artificial>:(.text.startup+0x12f): undefined reference to `nupic::Dimensions::Dimensions()'
<artificial>:(.text.startup+0x169): undefined reference to `nupic::Dimensions::toString[abi:cxx11](bool) const'
<artificial>:(.text.startup+0x1d1): undefined reference to `nupic::Region::setDimensions(nupic::Dimensions&)'
<artificial>:(.text.startup+0x1f7): undefined reference to `nupic::Path::makeAbsolute(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
<artificial>:(.text.startup+0x38e): undefined reference to `nupic::Network::initialize()'
<artificial>:(.text.startup+0x40e): undefined reference to `nupic::Region::compute()'
<artificial>:(.text.startup+0x41a): undefined reference to `nupic::ArrayBase::getBuffer() const'
<artificial>:(.text.startup+0x47d): undefined reference to `nupic::ArrayBase::getCount() const'
<artificial>:(.text.startup+0x551): undefined reference to `nupic::Network::Network()'
<artificial>:(.text.startup+0x7da): undefined reference to `nupic::Network::initialize()'
<artificial>:(.text.startup+0x7fe): undefined reference to `nupic::Network::getRegions() const'
<artificial>:(.text.startup+0x807): undefined reference to `nupic::Collection<nupic::Region*>::getByName(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const'
<artificial>:(.text.startup+0x8c1): undefined reference to `nupic::ArrayBase::getBuffer() const'
<artificial>:(.text.startup+0x8d6): undefined reference to `nupic::Network::run(int)'
<artificial>:(.text.startup+0x8e5): undefined reference to `nupic::Network::run(int)'
<artificial>:(.text.startup+0x8ed): undefined reference to `nupic::ArrayBase::getCount() const'
<artificial>:(.text.startup+0x8fb): undefined reference to `nupic::ArrayBase::getCount() const'
<artificial>:(.text.startup+0x959): undefined reference to `nupic::ArrayBase::getCount() const'
<artificial>:(.text.startup+0xa66): undefined reference to `nupic::ArrayBase::~ArrayBase()'
<artificial>:(.text.startup+0xa72): undefined reference to `nupic::Network::~Network()'
<artificial>:(.text.startup+0xa84): undefined reference to `nupic::ArrayBase::~ArrayBase()'
<artificial>:(.text.startup+0xad2): undefined reference to `nupic::Network::~Network()'
<artificial>:(.text.startup+0xd1b): undefined reference to `nupic::ArrayBase::~ArrayBase()'
<artificial>:(.text.startup+0xd69): undefined reference to `nupic::Network::~Network()'
<artificial>:(.text.startup+0xd92): undefined reference to `nupic::ArrayBase::~ArrayBase()'
<artificial>:(.text.startup+0xda3): undefined reference to `nupic::Network::~Network()'
<artificial>:(.text.startup+0x117e): undefined reference to `vtable for nupic::LoggingException'
<artificial>:(.text.startup+0x1327): undefined reference to `nupic::LoggingException::~LoggingException()'
<artificial>:(.text.startup+0x134d): undefined reference to `nupic::LoggingException::~LoggingException()'
<artificial>:(.text.startup+0x1353): undefined reference to `typeinfo for nupic::LoggingException'
<artificial>:(.text.startup+0x13b5): undefined reference to `nupic::LoggingException::~LoggingException()'
/tmp/cc71DuTF.ltrans0.ltrans.o:(.data.rel.ro+0x2c): undefined reference to `typeinfo for nupic::ArrayBase'
collect2: error: ld returned 1 exit status
src/CMakeFiles/helloregion.dir/build.make:108: recipe for target 'src/helloregion' failed
make[3]: *** [src/helloregion] Error 1
CMakeFiles/Makefile2:391: recipe for target 'src/CMakeFiles/helloregion.dir/all' failed
make[2]: *** [src/CMakeFiles/helloregion.dir/all] Error 2
CMakeFiles/Makefile2:403: recipe for target 'src/CMakeFiles/helloregion.dir/rule' failed
make[1]: *** [src/CMakeFiles/helloregion.dir/rule] Error 2
Makefile:275: recipe for target 'helloregion' failed
make: *** [helloregion] Error 2

several modules fail with these same errors: connections_performance_test, py_regions_test, prototest, cpp_region_test, hello_sp_tp, unit_tests

[pettitda]

Got past this by switching to the recipe at: https://gist.github.com/rhyolight/15b8454780424f690d00